Home / 998,879.73-1,378,116.72-568,855.38

Finding the Fourth Proportional to 998,879.73, 1,378,116.72 and 568,855.38

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Solution

The fourth proportional to 998,879.73, 1,378,116.72 and 568,855.38 is: 784,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,879.73 : 1,378,116.72 = 568,855.38 : x
  2. Step 2: Convert to fraction form
    998,879.73/1,378,116.72 = 568,855.38/x
  3. Step 3: Cross multiply
    998,879.73x = 1,378,116.72 × 568,855.38
  4. Step 4: Simplify right side
    998,879.73x = 783,949,117,741.10
  5. Step 5: Solve for x
    x = 783,949,117,741.10/998,879.73
  6. Step 6: Final answer
    x = 784,828.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.